On Thu, 23 Apr 2015, Jerome Glisse wrote: > The numa code we have today for CPU case exist because it does make > a difference but you keep trying to restrict GPU user to a workload > that is specific. Go talk to people doing physic, biology, data > mining, CAD most of them do not care about latency. They have not > hard deadline to meet with their computation. They just want things > to compute as fast as possible and programming to be as easy as it > can get. I started working on the latency issues a long time ago because performance of those labs was restricted by OS processing. A noted problem was SLABs scanning of its objects every 2 seconds which caused pretty significant performance regressions due to the delay of the computation in individual threads. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>